1. Select Target Risk, Scenario, and Media.
Select a pre-defined Target Risk or enter your own values.
Select one of the land use scenarios under the "Select Scenario" list.
Select one or more media to assess under the "Select Media" list.
2. Select PRG Type.
There are two choices here: "Defaults" and "Site Specific".
If you select "Defaults," calculations will be done using our default toxicity values, radionuclide-specific parameters, and exposure parameters.
If you select "Site Specific", there are two options available: "Database Hierarchy Defaults" and "User-provided." In the "Database Hierarchy Defaults" option, only exposure parameters can be edited. In the "User-provided" option, you will be able to edit the default toxicity values and radionuclide-specific parameters after clicking "Retrieve (new tab)" at the bottom of the form.
3. Select Units
Select the desired units for output (pCi or Bq).
4. Select Radionuclides of Interst.
Select individual radionuclides of Interest by first clicking in the box, then either scroll through the list or type the radionuclide name. Click on the highlighted name to add it to the list.
Or check the "ALL" box to select all radionuclides in the "Or Select All" section.
5. Click "Retrieve (new tab)."
After clicking "Retrieve (new tab)" the next page will present the results if "Defaults" was selected in step 2. Go to step 6.
If "Site-Specific" was selected in step 2, you will be able to edit radionuclide-specific parameters if "Database Hierarchy Defaults" was selected and default toxicity values and radionuclide-specific parameters if "User-provided" was selected.
At the bottom of this page, click "Retrieve (new tab)" to get the results.
Pressing "Clear" on the bottom of this page will reset all parameters to default values.
6. Review and Export Results.
At the top of the final page there are options to "Output to XLS" and "Output to PDF".
Input parameters and PRGs for each media selected are presented.
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